beach protection and accretion promotionbeachprotectionandaccretionpromotion促: short; hurried; urgent淤: become silted up保: defend; protect滩: beach; sands促月经的: catamenogenic下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:促淤保滩，即可在微信中查询翻译
